One month since she lost her husband, Dr Leah Wright knows it’s time to return to her family home. Though the crime scene tape and blood stains are gone, she will never feel safe with her daughter there again. Receiving a call from Detective Luka Jericho to assist with a police investigation is a welcome distraction, until she sees the scene: a wife dead, another family ripped apart. As Leah is the new head of the Crisis Intervention Center, Luka knows she can help him speak to the victim’s traumatized husband, who he suspects might have had something to do with his wife’s death.

In the remote forests of Stillwater, Minnesota, you can scream for days and no one will hear you. So when the bodies of two 15-year-old girls are discovered frozen in the snow, Special Agent Nikki Hunt is sure the killer is local: Someone knew where to hide the girls and thought they would never be found. Though Nikki hasn’t been home in 20 years, she knows she must take over the case.

When Penny Matthews, a seven-year-old girl with blonde curls and a gap-toothed smile, goes missing in the Appalachian mountains, Detective Ellie Reeves is called straight to the scene. According to Penny’s parents, their daughter vanished after a picnic by the creek. All that’s left behind is a pink friendship bracelet etched with “Penny”. 

Detective Ellie Reeves heads into the wilds of the Appalachian Mountains when she wants to get lost - to forget the whispers chasing her and the past that keeps her up at night. She’s sick of having to prove herself to her small town. But hiking in the endless miles of woods isn’t the escape she was hoping for. One night, as dusk falls, a gust of wind blows some petals on to Ellie’s path. Following the trail, she finds a golden-haired young woman dead on a bed of daffodils, with a note: Monday’s child is fair of face. 

FBI Agent Ella Dark, 29, is given her big chance to achieve her life’s dream: to join the Behavioral Crimes Unit. Ella has a hidden obsession: She has studied serial killers from the time she could read, devastated by the murder of her own sister. With her photographic memory, she has obtained an encyclopedic knowledge of every serial killer, every victim, and every case. Singled out for her brilliant mind, Ella is invited to join the big leagues. 

"I need to tell you about trumpet." After Elizabeth Walker mouths those words to Andrew Keller, a lover she has not seen in 20 years, their shattered hearts ignite uncontrollable events. Andrew pleads with his old friend Jake Travis to locate Elizabeth. When Andrew is murdered, Jake is asked to investigate. Jake arranges a rendezvous with Elizabeth and senses that she is harboring secrets of her own.

When Detective Casey White is called early one morning to a beachside vacation campsite in the Outer Banks, she finds the bodies of Carl and Peggy Pearson side-by-side, their throats cut, and their 13-year-old daughter, Lisa, nowhere to be found. Haunted by memories of her own missing girl, Casey fears this could soon become a triple murder: Because without the medication found in the bathroom cabinet, Lisa has just days to live.  

Gloria is used to solitude. Widowed and still grieving her late husband, she spends her days with only her faded photographs for company. But when a young woman is murdered nearby, Gloria grows anxious. Living alone in old farmhouse, surrounded by empty woods, there’s no one for miles who would hear her scream. When freelance travel writer Beth arrives with her trailer to live on Gloria’s land, Gloria is relieved not to be alone. The police have no suspects in the murder, and fearless Beth makes Gloria feel safe. 

She didn’t notice the corn stalks shiver a few feet to her right. By the time she looked up, the man towered above her. In a single movement he wrapped one thick hand around her waist, the other he clamped over her mouth, muffling her screams. Detective Clara Jefferies has spent years running from her childhood in Alber, Utah. But when she hears that her baby sister Delilah has disappeared, she knows that the peaceful community will be shattered, her family vulnerable, and that that she must face up to her past and go home.

The beautiful young woman is perfectly still, curled up in the trunk of the car, her long dark hair hiding her face. Her cotton blouse has ridden up a little, revealing two small dots an inch apart on her back. Just like the others. Guilt has kept FBI Agent Tori Hunter away from her home in Manchester Bay, Minnesota for 20 years, ever since her twin sister disappeared on the Fourth of July, when the girls should have been together. But when she receives an anonymous newspaper clipping about another missing girl, Genevieve, Tori is dragged back to the past.

A young boy walks into a police station in France. He claims to be Carl Meagan - a missing child from Sheffield whose name is still whispered as a warning to kids who stay out after dark. On her way home from the supermarket, nine-year-old Keeley Armitage vanishes without trace. Her family is overcome with shock and DCI Matilda Darke can’t help but focus on memories of the Carl Meagan case that almost ruined her career.

The news of her mother’s death hits Nell as if she’s been shot. The letter must be some kind of prank, but who could be so cruel? Because Nell’s mother died nearly 30 years ago. When Nell was just a tiny baby, her parents died in a car crash, leaving her to be raised by her devoted grandmother, Lilian. So when the lawyer’s letter arrives, informing her of her mother Sarah’s very recent death, it destroys everything Nell thought she knew. Her grandmother loved her, so why did she lie? And why did her mother abandon her? 

I return home to our beautiful house on a chilly winter evening expecting to find my handsome husband Richard waiting for me by the fire. We’re still so in love, and he always takes care of me. He usually comes straight back from work. But tonight, our antique clock ticks on through the dark evening, with no sign of him. Then a knock at the door shatters my perfect life. A 12-year-old-girl, Alice from the village, has been found unconscious in the field behind our house. They say she was last seen getting into Richard’s car.

In a busy shopping center, a little girl clutches a teddy bear, clinging to it in the absence of her mother, Katrina. Hours later, Katrina’s body is discovered in an abandoned building. For Detective Kim Stone, it looks like a quick, functional murder. But Kim’s instincts tell her there’s more to this senseless murder than meets the eye. What was the motive for killing a young mother out shopping with her child? 

After the puzzling death of a shopkeeper in rural Australia, troubled detective Dana Russo has just 12 hours to interrogate the prime suspect - a silent, inscrutable man found at the scene of the crime, who simply vanished 15 years earlier. Where has he been? And just how dangerous is he?  Without conclusive evidence linking him to the killing, Dana must race against time to persuade him to speak.